Home / 9,789,637.11-13,509,939.46-5,379,326.74

Finding the Fourth Proportional to 9,789,637.11, 13,509,939.46 and 5,379,326.74

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Solution

The fourth proportional to 9,789,637.11, 13,509,939.46 and 5,379,326.74 is: 7,423,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,637.11 : 13,509,939.46 = 5,379,326.74 : x
  2. Step 2: Convert to fraction form
    9,789,637.11/13,509,939.46 = 5,379,326.74/x
  3. Step 3: Cross multiply
    9,789,637.11x = 13,509,939.46 × 5,379,326.74
  4. Step 4: Simplify right side
    9,789,637.11x = 72,674,378,592,959.17
  5. Step 5: Solve for x
    x = 72,674,378,592,959.17/9,789,637.11
  6. Step 6: Final answer
    x = 7,423,602.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.